Ga2Na6P8Sr6
Ga2Na6P8Sr6 is a thermodynamically stable semiconducting quaternary compound composed of gallium, sodium, phosphorus, and strontium.
About Ga2Na6P8Sr6
Ga2Na6P8Sr6 is a complex quaternary compound that exhibits semiconducting electronic behavior. Its position on the convex hull indicates that it is a thermodynamically stable phase, making it a reliable subject for structural and electronic investigations within solid-state chemistry.
This material is characterized by its unique arrangement of gallium, sodium, phosphorus, and strontium atoms. Its stability suggests potential utility in specialized electronic applications where precise control over semiconducting properties is required.
Key Properties
Cross-validated computational properties for Ga2Na6P8Sr6, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Ga2Na6P8Sr6, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P63mc (No. 186) | hexagonal | 0.75 | 0.0000 | -3.844 | 3.06 |
| P63mc (No. 186) | — | — | — | — | — |
| — | — | — | — | — | 3.07 |
Frequently Asked Questions
Common questions about Ga2Na6P8Sr6, answered from cross-validated data.
What is Ga2Na6P8Sr6?
Ga2Na6P8Sr6 is a thermodynamically stable semiconducting quaternary compound composed of gallium, sodium, phosphorus, and strontium.
What is the band gap of Ga2Na6P8Sr6?
Is Ga2Na6P8Sr6 a metal, semiconductor, or insulator?
Is Ga2Na6P8Sr6 thermodynamically stable?
What is the crystal structure of Ga2Na6P8Sr6?
What is the density of Ga2Na6P8Sr6?
How many polymorphs of Ga2Na6P8Sr6 are known?
What elements does Ga2Na6P8Sr6 contain?
Where does the data for Ga2Na6P8Sr6 come from?
How It Compares
As a unique quaternary phase, Ga2Na6P8Sr6 represents a distinct structural arrangement within the broader landscape of complex pnictides. Unlike simpler binary or ternary systems, this compound demonstrates the structural complexity achievable when integrating alkali, alkaline earth, and group thirteen elements into a single stable lattice.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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